<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-15">
<META content="MSHTML 6.00.2900.2180" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>thanks!</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I have seen that parameter k is not what I believe
so I don't give it in parameter. so the conversion is good within the same
ellipsoid, then I see that clrk80 is not the ellipsoid in use in France. this
one seems to be a special clarke 80 ellipsoid because it has not the same
definition parameters than this given in proj tables.</FONT></DIV>
<DIV><FONT face=Arial size=2>Do you know where we can find description of these
parameters and their significations (without opening and decorticate the source
code) ?</FONT></DIV>
<DIV><FONT face=Arial size=2>I suppose that +towgs is the datum shift between
the used ellipsoid and WGS ellipsoid but why specify ? is it to superseed it ?
</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Do you have so info of the parameters for the
"Lambert 93" french projection ?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>This library is very intersting and I believe that
I'm going to open the source.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>thanks for any help.</FONT></DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=tobiasheuchel@web.de href="mailto:tobiasheuchel@web.de">Tobias
Heuchel</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Newsgroups:</B>
gmane.comp.gis.proj-4.devel</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, September 15, 2006 4:28
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: What's wrong</DIV>
<DIV><BR></DIV>Christian,<BR><BR>this :<BR><BR><A
href="http://lists.maptools.org/pipermail/proj/2001-September/000246.html">http://lists.maptools.org/pipermail/proj/2001-September/000246.html</A><BR><BR>did
helped me, when I had to do some transformations for french
systems.<BR><BR>Good luck!<BR><BR>Tobias<BR></BLOCKQUOTE></BODY></HTML>